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The Thomas A. Edison Papers

The Thomas A. Edison Papers makes the documentary legacy of America’s most prolific inventor and innovator accessible through selective, annotated digital image and book editions. In addition, we disseminate our research through journal and book publications, conference papers, information on our website, media appearances, public lectures, museum collaborations, and educational programs. Most of the documents come from the extensive archives of the Thomas Edison National Historical Park and wer...



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Thomas A. Edison Papers Notebook Collection
Thomas A. Edison Papers Notebook Collection
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The technical records of Edison's laboratories and shops were kept in a variety of ways throughout the inventor's career, particularly during the years before 1878. His earliest drawings and notes were kept in pocket-sized books or on loose sheets of paper. In one of these pocket notebooks, Edison concludes with the note: "all new inventions I will here after keep a full record." This determination to keep a "full record" of his inventive activity led to the creation of at...
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Thomas A. Edison Papers Microfilm Edition
Thomas A. Edison Papers Microfilm Edition
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Between 1985 and 2008, the Thomas A. Edison Papers at Rutgers University published a selective microfilm edition of documents from the massive archive of the Thomas Edison National Historical Park in West Orange, NJ (estimated at 5 million pages). The 288 reels of the microfilm cover the period 1850–1919 and contain approximately 139,000 individually indexed items. The index can be searched through our  digital image edition , which also lists an additional 15,600 documents from...
Topics: Edison Microfilm, EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
N-10-02-11 (1910) This notebook covers the period February-April 1910. All entries are by Edison. It is the first of three books that contain notes and drawings regarding the development of phonograph recording and reproducing apparatus. A notation in the second book indicates that much of this work was conducted at Edison's laboratory at Fort Myers, Florida. In an entry dated April 9, 1910, Edison notes that "the talking is the clearest & best I have ever heard on the phonograph Bar...
Topics: EdisonNotebook, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
Unbound Notebooks, Vol. 15 (1875-1877) This volume contains only a few dated entries, covering the years 1875-1877. The notes and drawings are by Edison, Charles Batchelor, and James Adams. They relate to acoustic and multiple telegraphy, the speaking telegraph and telephone, the phonograph recorder, and the etheroscope. The volume consists of 174 numbered, unbound pages.Missing pages: 1, 3, 5, 7-8, 37, 41, 44-45, 169. Other pages missing from this volume can be found in facsimile in the...
Topics: EdisonNotebook, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
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Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
Notebook #125 N-80-11-16 (1880) This notebook covers the period November-December 1880. The entries are by Edison, Albert B. Herrick, Charles Batchelor, and Francis Upton. The drawings by Edison relate to lamp experiments designed to prevent the "carrying of carbon by electricity." These experiments led to the discovery of the "Edison effect." The notes and drawings by Herrick, which constitute most of the book, concern experiments to chemically treat carbons, to improve...
Topics: EdisonNotebook, Thomas A. Edison Papers
Thomas A. Edison Papers Notebook Collection
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N-04-11-02 (1904) [This note covers all of the notebooks in Group 3: Battery Endurance Book and Work Books.] The ten extant notebooks in this group (Battery Endurance Book No. 1 and Work Books, Nos. 1-10; Work Book 4 has not been located) cover the period November 1904- December 1906. They consist of an Endurance Book and nine Work Books, which describe the performance and characteristics of experimental storage batteries. The first book, entitled "Endurance Book #1," was used by...
Topics: EdisonNotebook, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
N-05-06-13 (1905) [This note covers all of the notebooks in Group 2: Storage Battery Endurance Tests.] The 399 books in this group cover the period April 1903-December 1914, although there are several books with entries from as late as 1917. They were used by Edison employees, including Alvin D. Caskey, Ignacy Goldstein, Walter E. Holland, George H. Hooper, Jr., and Joseph W. Valentine, to record endurance and efficiency tests performed on storage batteries or to record testing conditions....
Topics: EdisonNotebook, Thomas A. Edison Papers
N-17-04-05 (1917) This notebook was used by Absalom M. Kennedy in April 1917 for notes on experimental work for the U.S. Navy performed under the direction of Edison during World War I. The book consists primarily of notes on experiments involving amplifiers, audion circuits, transmitters, and transmitter parts. Also included are notes describing experiments with the "Edison Effect." Several entries include notations by Edison or remarks by Kennedy about his opinions and suggestions....
Topics: EdisonNotebook, Thomas A. Edison Papers
Cat. 1174 Bound Notebook (1871-1872, 1874, 1875) This notebook covers the period July 1871-March 1872, with a few entries for 1874 and 1875. The majority of the notes and drawings are in Edison's hand and deal with the development of printing telegraphy. Some notes also describe experiments with chemicals for the electromotograph. Edison signed and dated most of the entries. The names of Joseph Murray and Samuel Edison frequently appear as witnesses. The front cover is labeled "Vol...
Topics: EdisonNotebook, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
(NS-74-002) Telegraph This folder contains notes and drafts for a proposed book by Edison on telegraphy and electricity. Most of the notes were probably written during the winter of 1873-1874. Similar material can be found in Unbound Notes and Drawings, NS-74-001 and NS-Undated-005; in Laboratory Scrapbook, Cat. 297; in Laboratory Notebook, Cat. 30,099; and in Laboratory Notebook, Cat. 1176. It is not known why Edison did not complete the book, but the material prepared for it may have appeared...
Topics: EdisonNotebook, Thomas A. Edison Papers
F. Notebook, N-09-06-28 (1909) This document is an Edison notebook from 1909. At the beginning of the book is a memorandum from William H. Meadowcroft to Edison, dated June 28, 1909, indicating that a copy has been made of the handwritten notes in this book. Four brief critiques by Edison of the biography in progress appear on the following page, while subsequent pages narrate incidents in his life. Most of the entries pertain to Edison's work on electric lighting and power and provide an...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-03-12-29 (1903, 1905) This notebook covers the periods December 1903 and May 1905. All entries are by Edison. The entries from 1903 relate to x-ray experiments. The enumerated experiments, slides 1- 253 and 381-388, are a continuation of those found in N-03-12-12.2. Several entries contain references to a "big book" into which some of the notes were copied. The notes and drawings from 1905 pertain to storage batteries. Included are calculations regarding the performance of a Lansden...
Topics: EdisonNotebook, Thomas A. Edison Papers
PN-88-04-13 (1888) This pocket notebook was used by Edison for notes on chemical and electric lighting experiments. The only dated entry, near the end of the book, is for April 13, 1888. Most of the chemical experiments relate to insulation or to phonograph cylinders. The pages are unnumbered. Approximately 40 pages have been used. Courtesy of Thomas Edison National Historical Park.
Topics: EdisonNotebook, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
Notebook #112 N-80-07-23 (1880) This notebook covers the period July-August 1880. Most of the entries are by Francis Upton. There are also a few entries by Edison. The material relates mainly to tests of carbon lamps. Included are a few notes and a table relating to faults that were found in the lamps, based on the experiments recorded in Notebook #103; notes and occasional drawings relating to tests of six-inch bamboo carbon lamps, along with a table of results; and a record of bets among the...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-01-04-23 (1901) This notebook covers the period April-May 1901. All entries are by Edison. The book contains notes and drawings regarding thermocouple experiments. A few entries pertain to phonographs and to drilling technology, probably for Edison's ore milling or cement operations. Also included is a draft of a lecture on alkaline storage batteries, prepared by Edison for presentation by Arthur E. Kennelly to the American Institute of Electrical Engineers ("The New Edison Storage...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-10-09-29 (1912) [This note covers all of the notebooks in Group 9: Phonograph Record Composition Books.] These five notebooks cover the period January 1909-October 1912. Most of the entries are by Ademor N. Petit. Several pages of loose notes by Edison have been inserted into four of the books. The books contain notes and drawings regarding efforts to produce an improved compound for phonograph records. Included are lists of numerous compounds, most of them utilizing shellac, which were...
Topics: EdisonNotebook, Thomas A. Edison Papers
Notebook #8 (1894-1906) This notebook covers the period October 1894-February 1906. It was used by Kennelly after he resigned his position at the West Orange laboratory. There are notes, drawings, tables, and calculations regarding a variety of electrical experiments, including tests of motors, insulation, and photometers; conductivity tests of copper and aluminum wire; and meter and battery tests for the General Electric Lamp Works in Harrison, N.J. and the Edison Manufacturing Co. In...
Topics: EdisonNotebook, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
Unbound Notes and Drawings (1897) [The following note covers all the unbound notes and drawings for 1887-1898.] The loose technical notes and drawings constituting this collection relate to a variety of subjects, including the phonograph, electric lighting and power, ore milling, batteries, the kinetoscope, telegraphy, telephony, and x-rays. There are also documents pertaining to various other projects, such as a proposed cotton picker. Many of the notes and drawings are by Edison. There is...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-04-11-22 (1904) [This note covers all of the notebooks in Group 3: Battery Endurance Book and Work Books.] The ten extant notebooks in this group (Battery Endurance Book No. 1 and Work Books, Nos. 1-10; Work Book 4 has not been located) cover the period November 1904- December 1906. They consist of an Endurance Book and nine Work Books, which describe the performance and characteristics of experimental storage batteries. The first book, entitled "Endurance Book #1," was used by...
Topics: EdisonNotebook, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
PN-73-04-30.1 (1873?) This notebook contains drawings and price lists of telegraph parts, price lists of batteries and chemicals, and employee time records. Most of the entries are in the hand of Charles Batchelor. The employee time records are dated April 30-May 14. There is an additional entry for Friday, May 23 (probably 1873). The front cover is marked "Price list." Fourteen pages of this unnumbered book have been used. Courtesy of Thomas Edison National Historical Park.
Topics: EdisonNotebook, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
The editors of the Edison Papers produced descriptions for each of the folders listed below. These folders can be found in the Thomas A. Edison Papers Digital Edition. They generally include the names of companies, persons, technologies, publications, countries, and other subjects that are important or of particular interest in that group of documents (although some folder descriptions in the early years are quite spare). They also often reveal background information about or relationships...
Topics: EdisonMicrofilm, Thomas A. Edison Papers
N-04-12-12.3 (1904) This notebook was used during December 1904 and May-June 1905. Most of the book contains notes by Edison and an unidentified experimenter regarding storage batteries. The experiments are numbered from 1 through 645. Among the entries are items pertaining to the loss of capacity, including an examination of the presence of mercury in the electrolytic solution. Other entries relate to the rejuvenation of the nickel electrode. At the end of the book is a phonograph drawing from...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-04-10-16 (1904) This notebook covers the period October-December 1904. It contains notes and drawings by Edison regarding storage batteries. Included is a twenty-nine-item list entitled "Experiments on Battery for ESBCo," followed by observations drawn from the results of endurance tests performed at the Silver Lake plant and from the examination of cells used in a Studebaker electric vehicle. Also included are entries regarding defects in the batteries and outlining possible causes...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-06-02-24.1 (1906) This notebook covers the period February-June 1906. All entries are by Edison, except for one by an unidentified experimenter. The book contains Edison's instructions regarding the conduct of storage battery cell endurance tests. In one entry Edison directs the experimenters to send the test results to him at Fort Myers, Florida. The front cover is labeled "Edison Tubes. No. 350 to No. [ ] 2-24-06 to [ ]." The pages are unnumbered. Approximately 30 pages have been...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-02-02-09 (1902) This notebook was used during February 1902. All entries are by Edison. The book contains notes and drawings regarding several experiments that deal mainly with electricity, matter and energy, and physical theory. There are entries pertaining to x-rays, motographs, telephones, phonographs, and electric furnaces, together with notes on "instruments to detect different waves in the 'ether.'" Many entries contain the notation, "gave to John Ott." Inserted into...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-03-12-12.1 (1903) This notebook was used by Edison during December 1903. Most of the entries pertain to x-ray experiments. Included are notes regarding efforts to find sources of radium and to discover radiation in addition to x-rays. Near the end of the book are scattered notes and drawings relating to storage batteries and phonographs. The book contains 150 numbered pages followed by 11 unnumbered pages. Some pages are blank, and several pages have been removed from the back of the book....
Topics: EdisonNotebook, Thomas A. Edison Papers
N-03-12-12.2 (1903, 1905) This notebook covers the periods December 1903 and March-June 1905. All entries are by Edison. The book contains notes and drawings regarding x-ray, storage battery, and phonograph experiments. The entries from 1903 pertain to the same x-ray tests as those entered in N-03-12-12.1. Among the storage battery items are a memorandum concerning the formation of European companies, notes regarding the design of cell grids, and a one-page layout of a battery factory. The...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-02-08-00 (1902) The only dated entry in this notebook is from August 1902. At the beginning of the book is an incomplete inventory by Ludwig F. Ott of chemicals in the stock room at the West Orange laboratory [not selected]. Scattered among the blank pages in the remainder of the book are drawings by Edison regarding an unidentified electrical or electromagnetic technology. The pages are unnumbered. Approximately 20 pages have been used. Courtesy of Thomas Edison National Historical Park.
Topics: EdisonNotebook, Thomas A. Edison Papers
N-02-05-01 (1902) This notebook was used primarily during May 1902. All entries are by Edison. The book contains notes and drawings that deal mainly with electricity and electromagnetic radiation. Among the entries are items that probably pertain to etheric force and "xyz rays," thermocouples, and the electromotograph. There is also a one-page entry from November 1902 regarding a coal or a gas-fired furnace intended as a combination "stove and light for poor people in...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-09-04-20.1 (1909-1910) This notebook covers the period April 1909-April 1910. All entries are by Edison. The book is the first of two books that contain notes regarding attempts to find a hard, non- celluloid material for use in phonograph cylinders. Included are entries pertaining to the use of shellac and various other compounds to produce a substance that could be molded but would also be durable enough to sustain more threads per inch on the cylinder. There are several notes indicating...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-Undated.17 (ca. 1909-1910) This undated notebook was probably used sometime during the period 1909-1910. It contains a log by Edison of storage battery cell tests. The book appears to be part of a test series, but the other books have not been identified. One of the entries indicates the involvement of Ignacy Goldstein. The front cover is marked "Regulars" and is labeled "1201 Reg 1334 Reg." The pages are unnumbered. Approximately 40 pages have been used. Courtesy of...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-00-12-20 (ca. 1900) [This note covers all of the notebooks in Group 1: Battery Test Books.] The fifty-five notebooks in this group (Nos. 1-54; the first book has no number) cover the period November 1900-March 1902. The entries in the first six books are by Edison, while the remaining books are by unidentified experimenters. The books contain records of storage battery tests, numbered from 1 through 1777. The early entries record tests on a variety of metals and alloys for use as electrodes,...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-10-09-23 (1910) This notebook is a continuation of N-10-04-10. It was used during September 1910. All entries are by Edison. It is the third of three books that contain notes and drawings regarding phonograph recording apparatus. Several entries detail the use of motograph and telephone technology as means of improving recording fidelity. At the end of the book are drawings of phonograph cabinet designs. The front cover is marked "Phonograph Sept. 1910." The pages are unnumbered....
Topics: EdisonNotebook, Thomas A. Edison Papers
N-08-00-00.1 (ca. 1907-1910) This undated notebook was probably used by Edison in 1907 or 1908, but it may have been used as late as 1910. The book contains notes and drawings regarding attempts to increase a cylinder record's volume by adjusting the pressure applied by the reproducer or recording mechanism. There is one entry relating to storage batteries. Also included are several miscellaneous drawings, probably by Edison's youngest son, Theodore. The pages are unnumbered. Only 15 pages have...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-11-06-07.1 (1911-1913) This notebook was used by Edison during June 1911 and January-May 1913. The entries from 1911 primarily involve the regeneration of old positive electrode tubes from Edison storage batteries. Included are lists of individually numbered tubes soaked in various chemical solutions, with the appearance of the tubes and solutions indicated. The entries from 1913 primarily involve the composition and manufacture of phonograph records. Included are formulas for...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-06-00-00.3 (1905-1907) [This note covers all of the notebooks in Group 10: Nickel-Cobalt Ore Assay Notebooks.] These twelve undated notebooks were probably used during the period 1905-1907. The books primarily contain the results of assays made by unidentified employees to determine the presence of nickel and cobalt in ore samples. Within each book the entries are consecutively numbered, generally beginning with number one. N-06-00-00.1 begins with number 1254 and is a continuation of...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-12-06-19 (1912) [This note covers all of the notebooks in Group 9: Phonograph Record Composition Books.] These five notebooks cover the period January 1909-October 1912. Most of the entries are by Ademor N. Petit. Several pages of loose notes by Edison have been inserted into four of the books. The books contain notes and drawings regarding efforts to produce an improved compound for phonograph records. Included are lists of numerous compounds, most of them utilizing shellac, which were...
Topics: EdisonNotebook, Thomas A. Edison Papers
N-11-00-00.4 (1911) This undated notebook was used by Edison, probably during 1911. It contains a single entry, entitled "Ring disc," which consists of a drawing of a disc record, tone arm, and horn attachment. The front cover is marked "Disc." The pages are unnumbered. Only the first page has been used. Courtesy of Thomas Edison National Historical Park.
Topics: EdisonNotebook, Thomas A. Edison Papers
N-95-09-11 (1895-1897) This notebook covers the periods September-October 1895 and December 1897. It was used primarily by Jonas Walter Aylsworth, probably at New Jersey and Pennsylvania Concentrating Works in Ogden, N.J. Most of the book contains notes regarding the bricking of iron ore concentrate. Included is a 10-page entry by Edison relating to the bricking process. At the end of the book there are logs of additional bricking tests and rough records regarding running and stoppage times at...
Topics: EdisonNotebook, Thomas A. Edison Papers